Mitsubishi Electric Mr.SLIM PKA-A12GA Service Manual page 17

PKA-A24FA PKA-A30FA PKA-A36FA
PKA-A24FA PKA-A30FA
1
[LEGEND]
SYMBOL NAME
P.B
INDOOR POWER BOARD
I.B INDOOR CONTROLLER BOARD
FUSE FUSE (6.3A/250V)
ZNR VARISTOR
CN2L CONNECTOR<LOSSNAY>
CN32 CONNECTOR<REMOTE SWITCH>
CN41 CONNECTOR<HA TERMINAL-A>
CN51 CONNECTOR<CENTRALLY CONTROL>
SW1 SWITCH <MODEL SELECTION> See Table 1.
SW2 SWITCH <CAPACITY CODE> See Table 2.
SWE SWITCH<EMERGENCY OPERATION>
X4 RELAY<FAN MOTOR>
BCR FAN CONTROL ELEMENT
LED1 POWER SUPPLY<I.B>
LED2 POWER SUPPLY<R.B>
LED3 TRANSMISSION<INDOOR-OUTDOOR>
P.B
CNDK CN2S
(RED) (WHT)
1 1
2 2
DC13.1V
3
MF
1 2 3
C
I.B
POWER
1 3 5 1 3
FAN
CNDK
( WHT )
(RED)
X4
BCR
X4
LED3 LED2 LED1
SW2 SW1
SWE
ON
OFF
Refer to tables 1 and 2
for service PCB.
Table 1 Table 2
SW1
Service board
MODELS
1 2 3 4 5
PKA-
ON
A24FA(L)
OFF
NOTES:
1. Since the outdoor side electric wiring may change be sure to check the outdoor unit electric wiring for servicing.
2. Indoor and outdoor connecting wires have polarities, make sure to match terminal numbers (S1, S2, S3) for correct wiring.
3. Symbols used in wiring diagram above are,
4. This diagram shows the wiring of Indoor and Outdoor connecting wires (specification of 230V), adopting superimposed system of
power and signal.
1. Use copper supply wires.
PKA-A36FA
1 1
SYMBOL
C CAPACITOR<FAN MOTOR>
FAN MOTOR
MF
MV
VANE MOTOR
TB4 TERMINAL BLOCK<INDOOR/OUTDOOR
CONNECTING LINE>
TB5,TB6 TERMINAL BLOCK<REMOTE CONTROLLER
TRANSMISSION LINE>
TH1 ROOM TEMP.THERMISTOR
° °
<32 F/15kΩ, 77 F/5.2kΩ DETECT>
TH2 PIPE TEMP.THERMISTOR/LIQUID
° °
<32 F/15kΩ, 77 F/5.2kΩ DETECT>
TH5 COND./EVA.TEMP.THERMISTOR
° °
<32 F/15kΩ, 77 F/5.2kΩ DETECT>
R.B WIRED REMOTE CONTROLLER BOARD
Please set the voltage
using the remote controller.
For the setting method,
please refer to the indoor
unit Installation Manual.
YLW
ORN
YLW
ORN
BRN
POWER
1 3 1 2 1 3
CND
(ORN) POWER A-CONTROL
CN2D(WHT) CN3C(BLU)
CN41 CN2L
ZNR
CN51 CN32
INTAKE LIQUID PIPE REMOCON
CN21
CN20 CN29 CN22
( RED ) ( WHT ) ( BLK ) ( BLU )
1 2 1 2 1 2 1 2
TH2
TH1 TH5
SW2
Service board Service board
MODELS
1 2 3 4 5 1 2 3 4 5
PKA-
ON
A30FA(L)
OFF
: Connector, : Terminal (block).
PKA-A24FAL PKA-A30FAL PKA-A36FAL
PKA-A24FAL PKA-A30FAL
1
NAME SYMBOL
W.B
WIRELESS REMOTE CONTROLLER BOARD
RU RECEIVING UNIT
BZ
BUZZER
LED1 LED<RUN INDICATOR>
LED2 LED<HOT ADJUST>
SW1 SWITCH<HEATING ON/OFF>
SW2
SWITCH<COOLING ON/OFF>
TB4
1
S1
TO
S2
OUTDOOR
UNIT
S3
VANE
6
CN6V
( GRN )
MV
WIRELESS
CN90
( WHT )
9
RECEIVER
2
1 TRANSMISSION WIRES DC12V
TB5
Service board
MODELS
1 2 3 4 5
PKA-
ON ON
A36FA(L)
OFF OFF
17
PKA-A36FAL
1
NAME
For A24/30/36FAL
CNB
BZ
RU
LED1 LED2 SW2 SW1
W.B
R.B
1
TB6
2
For A24/30/36FA
1